A washer or cone or disk shape with a centrally located hole, designed to accommodate a flat or oval head screw and provide additional bearing area on the material being fastened. It may or may not have a flush flange feature.
Classification: Washers other than lock washers, iron or steel
NSN 5920-00-006-1919
NSN 5998-01-110-6039
NSN 7035-01-423-8343
NSN 5915-01-092-2545
NSN 5999-00-401-9557
NSN 5965-01-369-4101
NSN 6320-01-233-5798
NSN 5945-01-452-5473
NSN 6320-00-925-0558
NSN 5998-00-186-6907
NSN 5920-01-628-2866
NSN 6150-01-173-1041